Osram 21 W Electronic Compact Fluorescent Lighting Ballast, 220 → 240 V

The Osram Quicktronic Economic is an electronic control gear for fluorescent and compact fluorescent lamps. This ECG features automatic safety shutdown of lamps in the event of a defect or at end of life and automatic restart after lamp replacement.
Ideal applications for the Quicktronic Economic electronic high frequency control gear are in public buildings use.

Automatic restart after lamp replacement
Supply voltage: 220-240V
Line voltage: 198-254V
Line frequency: 50 Hz
Automatic shutdown of defective lamps and at end of life